Latest commentary, news and discoveries from Blue Frost Security.

CVE-2019-1215 Analysis of a Use After Free in ws2ifsl

Root cause analysis and exploit for a Windows kernel ws2ifsl.sys use-after-free vulnerability.

BFS Ekoparty 2019 Exploitation Challenge - Override Banking Restrictions to get US Dollars

Show us your skills, get invites to the BFS-IOACTIVE party and an opportunity to join BFS!

Escaping the Chrome Sandbox via an IndexedDB Race Condition

Exploitation of a race condition in the IndexedDB implementation of Chrome, demonstrating a full sandbox escape.

TEE Exploitation on Samsung Exynos devices (I/IV) : Introduction

Part 1 of a series of posts on exploiting Trusted Applications on the Samsung Galaxy S9 TEE.

Don't Follow The Masses: Bug Hunting in JavaScript Engines

Analysis of CVE-2019-5790 and how the search for unexplored attack surface in V8 led to its discovery.

BFS Ekoparty 2018 Exploitation Challenge: Stop the Capital Flight

Win entry tickets to Ekoparty as well as an invitation to the official speaker dinner by stopping capital flight and solving the Argentinean currency crisis!

BFS Ekoparty Exploitation Challenge

Win entrance tickets to Ekoparty in Argentina by hacking the unbreakable voting machine.

Windows 10 HAL’s Heap – Extinction of the "HalpInterruptController" Table Exploitation Technique

Another kernel exploitation technique killed in Windows 10 Creators Update

Understanding Emergency Windows Update MS14-068

This post explains the functionality of the critical vulnerability CVE-2014-6324 found in the Windows implementation of the Kerberos authentication protocol.